From 659b4abe7f5d3953789fd2c21a2d4492edfdb971 Mon Sep 17 00:00:00 2001 From: dchagin Date: Sun, 27 Mar 2016 06:55:49 +0000 Subject: MFC r296501: Link the newly created process to the corresponding parent as if CLONE_PARENT is set, then the parent of the new process will be the same as that of the calling process. --- sys/compat/linux/linux_fork.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'sys/compat/linux/linux_fork.c') diff --git a/sys/compat/linux/linux_fork.c b/sys/compat/linux/linux_fork.c index 9e7c71f..f96559c 100644 --- a/sys/compat/linux/linux_fork.c +++ b/sys/compat/linux/linux_fork.c @@ -213,6 +213,18 @@ linux_clone_proc(struct thread *td, struct linux_clone_args *args) if (args->flags & LINUX_CLONE_SETTLS) linux_set_cloned_tls(td2, args->tls); + /* + * If CLONE_PARENT is set, then the parent of the new process will be + * the same as that of the calling process. + */ + if (args->flags & LINUX_CLONE_PARENT) { + sx_xlock(&proctree_lock); + PROC_LOCK(p2); + proc_reparent(p2, td->td_proc->p_pptr); + PROC_UNLOCK(p2); + sx_xunlock(&proctree_lock); + } + #ifdef DEBUG if (ldebug(clone)) printf(LMSG("clone: successful rfork to %d, " -- cgit v1.1